function NovaJanela(pagina,nome,w,h,scroll){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable=no'
	win = window.open(pagina,nome,settings);
}
function showMenu(menu) {
	if(menu=="sub_aparelhos") {
		outro=document.getElementById("sub_centrais");
	} else {
		outro=document.getElementById("sub_aparelhos");
	}
	
	menu=document.getElementById(menu);
	
	if(menu.style.display!="block") {
		menu.style.display="block";
		outro.style.display="none";
	} else {
		menu.style.display="none";
	}
	
}
function abre_prod_caracteristicas(codprod,closewindow) {
	larg=565;
	alt=415;
	var topo=Math.round((screen.height-alt)/2);
	var esquerda=Math.round((screen.width-larg)/2);
	wn=window.open('http://www.intelbras.com.br/portugues/produtos/caracteristicas.php?id_und=4&id_prd='+codprod,'popupcaract','width='+larg+', height='+alt+', scrollbars=1, top='+topo+', left='+esquerda);
	wn.focus();
	if (closewindow!=null) {
		top.close();
	}
}